Portable barbecue grill



FIG. 1 is a perspective view of a portable barbecue grill showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The details shown in broken lines in FIGS. 4 and 5 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design of a portable barbecue grill, as shown and described. 